see into

verb (intransitive, preposition)
1.
to examine or investigate
2.
to discover the true nature of: I can't see into your thoughts
Idioms and Phrases with see into

see into

.
Investigate; see look into
.
Understand the true character or nature of, as in Mother could see into Mary very well and knew exactly what she was up to. Shakespeare used this idiom in 2 Henry VI (3:1): “Well hath your Highness seen into this duke.”